I can read these mangas many times! I rate them >9.5/10 based on my own preferences, so there will be lots of non-mainstream BL
Genres: NO PWP, no doujinshi
Length: <100 chapters or 3 vols
Search by tags: http://www.mangago.me/home/people/12706/manga/1/
If you like this list, please click "RECOMMEND". Thank you XD
2nd list: http://www.mangago.me/home/mangalist/655038/
(If 1st list is full, i'll move older ones to my 2nd list)
Long series: http://www.mangago.me/home/mangalist/645867/
These are the list of mangas / manhwa / webtoons where the seme / uke is considered
-ugly
-plain
-ordinary
-unattractive...
but there are also the ones who have fairly good looks but suffers from low self-esteem.
Part II https://www.mangago.me/home/mangalist/2664353/